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25¢

1¢

1¢1¢

25¢25¢25¢

12 12

457

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804 N. 2nd Ave. E.Rock Rapids, IA 51246-1759

800-622-3070www.aop.com

MATHStudent Book

1st Grade | Unit 5

COLUMN ADDITION AND ESTIMATIONMATH 105

Introduction |1

1. Columnar Addition .......................................................................2Adding Three Numbers |5 Self Test 1 |8

2. Number Order ...............................................................................9Self Test 2 |16

3. Fractions ...................................................................................... 17Time to Half-Hour |19 Self Test 3 |24

4. Ordinal Numbers ....................................................................... 25Charts |27 Self Test 4 |29

5. Number Line ............................................................................... 30Patterns and Estimation |32 Self Test 5 |34

LIFEPAC Test |Pull-out

Author: Carol Bauler, B.A.

Editor: Alan Christopherson, M.S.

Media Credits: Page 1: © wenchiawang, iStock, Thinkstock; 23: © Volha Hlinskaya, iStock, Thinkstock; 32: © Ashva73, iStock, Thinkstock.

804 N. 2nd Ave. E. Rock Rapids, IA 51246-1759

© MCMXCVII by Alpha Omega Publications, Inc. All rights reserved. LIFEPAC is a registered trademark of Alpha Omega Publications, Inc.

All trademarks and/or service marks referenced in this material are the property of their respective owners. Alpha Omega Publications, Inc. makes no claim of ownership to any trademarks and/or service marks other than their own and their affiliates, and makes no claim of affiliation to any companies whose trademarks may be listed in this material, other than their own.

| i

Unit 5 | COLUMN ADDITION AND ESTIMATION

Hi, I am Dr. Kirke. Come learn with my young

woodland friends.

Hi, I am Filmore. I will help you learn

new things.Hey! I am

Roxie. I like a lot of action.

I am Tammy. I love learning new things.

Learn with our friends!

When you see me, I will help your teacher explain the exciting things you are expected to do.

When you do actions with me, you will learn how to write, draw, match words, read, and much more.

You and I will learn about matching words, listening, drawing, and other fun things in your lessons.

Follow me and I will show you new, exciting truths that will help you learn and understand what you study. Let’s learn!

ii |

COLUMN ADDITION AND ESTIMATION | Unit 5

COLUMN ADDITION AND ESTIMATION

ObjectivesRead these objectives. They will tell what you will be able to do when you have finished this LIFEPAC®.

1. I can add three numbers in columns.2. I can write fractions for 1__

2 and 1__4 .

3. I can tell time to the half-hour.4. I can say ordinal numbers.5. I can make a chart.6. I can estimate an answer.

My name is__________________________________________________-----------------------------------------------------------__________________________________________________

Introduction | 1

Unit 5 | COLUMN ADDITION AND ESTIMATION

1. COLUMNAR ADDITION

Write the number in the .

9+ 1

6+ 6

4+ 7

8+ 2

9+ 2

8+ 4

3+ 8

6+ 4

4+ 8

3+ 7

9+ 3

6+ 6

7+ 5

8+ 3

5+ 5

3+ 9

7+ 3

5+ 6

8+ 4

2+ 9

4+ 6

6+ 5

1+ 9

7+ 4

3+ 7

7+ 5

9+ 2

5+ 5

3+ 8

9+ 3

0 1 2 3 7 8 9 104 5 6 1211 13 1514 16 1817

3 + 4 = 7

2 | Section 1

COLUMN ADDITION AND ESTIMATION | Unit 5

Write the number in the .

8+ 6

7+ 7

6+ 9

5+ 9

9+ 4

7+ 9

4+ 9

8+ 5

9+ 6

8+ 7

7+ 6

9+ 8

9+ 9

6+ 7

8+ 8

9+ 7

8+ 9

7+ 7

7+ 8

9+ 5

6+ 8

4+ 9

5+ 8

8+ 9

9+ 4

6+ 9

7+ 6

8+ 8

9+ 6

8+ 5

9+ 9

7+ 8

6+ 7

5+ 9

6+ 8

7+ 9

0 1 2 3 7 8 9 104 5 6 1211 13 1514 16 1817

Add Subtract

Section 1 | 3

Unit 5 | COLUMN ADDITION AND ESTIMATION

Write the number in the .

8− 7

5− 2

8− 3

6− 4

7− 2

9− 6

9− 9

9− 7

4− 3

4− 2

7− 4

9− 1

6− 1

7− 3

2− 1

4− 1

6− 3

8− 2

7− 0

3− 2

5− 5

1− 1

7− 6

9− 5

0 1 2 3 7 8 9 104 5 6 1211 13 1514 16 1817

8 − 3 = 5

4 | Section 1

COLUMN ADDITION AND ESTIMATION | Unit 5

Adding Three Numbers

0 1 2 3 7 8 9 104 5 6 1211 13 1514 16 1817

Add down.

0 1 2 3 7 8 9 104 5 6 1211 13 1514 16 1817

Add up.

Add the numbers down and up.

1 5+ 2

4 1+ 2

2 2+ 1

3 3+ 1

2 1+ 5

2 4+ 4

3 + 2 + 1 = 6

3 2+ 1

>6

5

1 + 2 + 3 = 6

3 2+ 1

>6

3

8

8

Section 1 | 5

Unit 5 | COLUMN ADDITION AND ESTIMATION

0 1 2 3 7 8 9 104 5 6 1211 13 1514 16 1817

Add SubtractAdd the numbers down and up.

1 2+ 2

4 1+ 3

2 3+ 1

1 6+ 2

3 1+ 2

4 4+ 2

7 2+ 1

5 3+ 2

2 4+ 1

2 1+ 2

1 2+ 3

4 3+ 1

2 4+ 2

2 5+ 3

3 2+ 1

1 2+ 7

6 1+ 2

1 4+ 3

2 2+ 1

6 2+ 1

2 7+ 1

3 2+ 5

4 2+ 1

3 2+ 5

6 | Section 1

COLUMN ADDITION AND ESTIMATION | Unit 5

0 1 2 3 7 8 9 104 5 6 1211 13 1514 16 1817

Add SubtractAdd the numbers down and up.

6 2+ 3

>> 5 5+ 3

>>

9 1+ 0

>> 3 6+ 4

>>

1 8+ 4

>> 2 6+ 3

>>

8 3+ 2

>> 6 2+ 6

>>

11

11

58

Section 1 | 7

Unit 5 | COLUMN ADDITION AND ESTIMATION

Before you take the Self Test, study what you have read and done. The Self Test will check what you remember.

SELF TEST 1Each answer = 1 point

Add down and up.

3 2+ 1

4 2+ 2

6 1+ 2

1 2+ 2

3 2+ 5

2 1+ 5

4 2+ 1

4 3+ 1

6 5+ 1

5 5+ 3

2 6+ 3

1 0+ 9

Write the numbers in the number sentence.

_______ − _______ = _______

0 1 2 3 7 8 9 104 5 6 1211 13 1514 16 1817

Teacher Check

_____________Initial Date

22

27My Score

8 | Section 1

COLUMN ADDITION AND ESTIMATION | Unit 5

25¢

25¢

1¢

1¢1¢

25¢25¢25¢

12 12

457

8

1011

3

6

9

2+2=

804 N. 2nd Ave. E.Rock Rapids, IA 51246-1759

800-622-3070www.aop.com

MATHStudent Book

ISBN 978-0-86717-425-0

9 7 8 0 8 6 7 1 7 4 2 5 0

MAT0105 – Feb ‘17 Printing